hadoop-general mailing list archives

yes, the standalone version uses file:///tmp to store data, to allow
people to get up and running without HDFS. And you are exactly
correct, with /tmp being cleaned on reboot on many distros. Grep for
/tmp in hbase-default.xml to find the setting.
-ryan
On Thu, Oct 1, 2009 at 12:47 AM, stephen mulcahy
<stephen.mulcahy@deri.org> wrote:
> Hi,
>
> I could be way off the mark here - but if you are running HBase on top of
> Hadoop in the default configuration then it may be using /tmp for HDFS. This
> gets wiped on reboot which would cause the problems you are seeing.
>
> -stephen
>
> stack wrote:
>>
>> Shut it down cleanly (./bin/stop-hbase.sh). My guess is that you are
>> killing it before it has chance to flush its in-memory state.
>>
>> HBase questions will get more timely response if posted to the hbase lists
>> (see hbase.org).
>>
>> Yours,
>> St.Ack St.Ack
>>
>>
>> On Wed, Sep 30, 2009 at 9:22 AM, Something Something
>> <luckyguy2050@yahoo.com
>>>
>>> wrote:
>>
>>> Hello,
>>>
>>> I noticed that if I start HBase in "standalone" mode it creates a table
>>> in
>>> memory. In other words, after rebooting the machine, the table goes
>>> away.
>>> I would like to persist the table to a local file system. How can I do
>>> that? Do I have to use "Psuedo Distribution" mode for this?
>>>
>>> Please help. Thanks.
>>>
>>>
>>>
>>>
>>>
>>
>
>
> --
> Stephen Mulcahy, DI2, Digital Enterprise Research Institute,
> NUI Galway, IDA Business Park, Lower Dangan, Galway, Ireland
> http://di2.deri.ie http://webstar.deri.ie http://sindice.com
>